[Pw_forum] bfgs : error # 1

Han Hsu hsuhan at cems.umn.edu
Fri Apr 9 08:08:38 CEST 2010


Thank you very much.

Han

On Thu, April 8, 2010 2:20 am, Paolo Giannozzi wrote:
> Han Hsu wrote:
>
>>      energy   old            =   -1350.7860624581 Ry
>>      energy   new            =   -1350.7860605130 Ry
>
> sometimes, very close to convergence, numerical noise
> on forces confuses the bfgs algorithm. You are at almost
> perfect convergence anyway.
>
> P.
> --
> Paolo Giannozzi, Democritos and University of Udine, Italy
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